Information processing system
US4212059A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1978 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | Mar 14, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2736
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information processing system includes an information processing unit and an operation console. The information processing unit includes a CPU having a fault diagnostic unit which is coupled with the diagnostic interface port of the operation console, through a diagnostic interface. The operation console is provided with a microprocessor having a first operation mode carrying out at least a normal operation processing function and a second mode executing both a maintenance command processing function and a normal operation processing function, and with a memory for storing a maintenance command processing routine for executing the maintenance command processing function. When an operator issues an instruction for shifting the first operation mode to the second operation mode control is transferred to the operation console so that the microprocessor executes the maintenance command processing function and the normal operation processing function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.